齐齐哈尔林业生态状况及防治对策的研究

【摘要】 本文研究了齐齐哈尔林业生态状况、发展趋势,进行了林业效益分析与评价,并提出了防治对策。更多还原

【Abstract】 In this paper We have studied the situation of ferest and the tendOf development, in qiqihlar, We have done the analysis of forest benfit andEvaluation, and put ferwand the count measure of prevention .更多还原